Вот еще про Эджа:
Edge has historically always used the Electro-Harmonix Memory Man Deluxe (Boy and October albums) or the Korg SDD-3000s which were made in the mid-1980s and are occassionally available on eBay (though at high prices often). Since the Joshua Tree, he's also used two TC Electronic 2290 delay racks since they have more user presets than the SDD-3000s.
Today, the Line 6 Delay Modeler units are among the best delay available. (Edge has been seen using one of them in 2004.) The 3 models are:
Studio / Rack version: Hard to find, I'm not sure if they are still available. $700 US. Sometimes available on eBay. This lets you dial in specific delay times, has 99 user presets, and is MIDI-controllable (if that's helpful).
DL4 stompbox: Has a Loop option and 3 presets. $250 US.
Echo Park stompbox (see photo at left): No presets, but has the same sound (I believe) as the other 2. $150 US.